From d3ff506356286dd7cbff67b8736482539a317006 Mon Sep 17 00:00:00 2001
From: Wim Vriend <facetracknoir@gmail.com>
Date: Mon, 7 Feb 2011 21:36:06 +0000
Subject: Added option to stop tracking, but keep the engine running. Improved
 KeyboardShortcutDialog

git-svn-id: svn+ssh://svn.code.sf.net/p/facetracknoir/code@48 19e81ba0-9b1a-49c3-bd6c-561e1906d5fb
---
 FaceTrackNoIR/tracker.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'FaceTrackNoIR/tracker.cpp')

diff --git a/FaceTrackNoIR/tracker.cpp b/FaceTrackNoIR/tracker.cpp
index 90efc9d6..91c386c0 100644
--- a/FaceTrackNoIR/tracker.cpp
+++ b/FaceTrackNoIR/tracker.cpp
@@ -66,6 +66,7 @@ bool Tracker::do_center = false;
 bool Tracker::do_inhibit = false;
 bool Tracker::useFilter = false;
 bool Tracker::setZero = true;
+bool Tracker::setEngineStop = true;
 HANDLE Tracker::hTrackMutex = 0;
 
 long Tracker::prevHeadPoseTime = 0;
@@ -440,10 +441,14 @@ void Tracker::run() {
 						current_camera_position.pitch = 0.0f;
 						current_camera_position.roll = 0.0f;
 
-						_engine->start();
+						if (_engine->state() != SM_API_ENGINE_STATE_HT_TRACKING) {
+							_engine->start();
+						}
 					}
 					else {
-						_engine->stop();
+						if (setEngineStop) {						// Only stop engine when option is checked
+							_engine->stop();
+						}
 					}
 					qDebug() << "Tracker::run() says StartStop pressed, do_tracking =" << Tracker::do_tracking;
 				}
@@ -1082,6 +1087,7 @@ QPointF point1, point2, point3, point4;
 	StartStopKey.ctrl = iniFile.value ( "Ctrl_StartStop", 0 ).toBool();
 	StartStopKey.alt = iniFile.value ( "Alt_StartStop", 0 ).toBool();
 	setZero = iniFile.value ( "SetZero", 1 ).toBool();
+	setEngineStop = iniFile.value ( "SetEngineStop", 1 ).toBool();
 
 	// Inhibit key
 	InhibitKey.keycode = iniFile.value ( "Keycode_Inhibit", 0 ).toInt();
-- 
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